Mia Teal Floral Size:38 • Designed for medium to Rio • Designed for medium to high arch support needs• Posted orthotic design for enhanced stability and motion control• Helps support proper foot alignment and biomechanics• Cushioned top layer for shock absorption and comfort• Slim profile designed for casual shoes and sneakers• Helps reduce foot fatigue and everyday discomfort• May assist with plantar fasciitis Birkenstock's famous orthopedic footbed features Velcro adjustability across both the instep and front straps with refined detailed stitching This style also features NAOT's removable anatomically correct cork and latex innersole which is wrapped in soft suede which moulds to the foot with wear